Bob Conrad sees traditional residential pumping as the steady, dependable work that brings new and diverse profit centers to his Arlington, Tenn.-based Mid South Septic Service.Lifting lids and pumping septic tanks was the bread and butter work for Mid South when Conrad, a civil engineer by training, bought the well-established suburban Memphis company in 2004. But he sees diversification into sewer line inspection, cleaning and repair as the revenue drivers of the future.A LITTLE BIT OF EVERYTHING“I tried to focus on areas where I felt the higher margins were. Pumping septic tanks themselves (has not been) a real profitable business,”
